Brandwave

Debenhams vs M&S:Which is more popular?

In September 2026, M&S had more branded searches than Debenhams among department stores in the United Kingdom. M&S had about 5.5 million branded searches, while Debenhams had 823,000. M&S made up 47.3% of all department store searches we track, and Debenhams accounted for 7.1%. When we asked ChatGPT and Google AI Overviews about department stores, neither Debenhams nor M&S appeared in any of the four answers.

Among department stores in the United Kingdom in September 2026

Who do people search for more?

M&S, about 7 searches for every 1 for Debenhams

M&S 5.5M searchesDebenhams 823K searches

Who does AI mention more?

Both were mentioned in 0 of 4 answers.

Debenhams in 0 of 4M&S in 0 of 4

Follow Debenhams vs M&S and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand against a rival →

Top department stores in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, neither Debenhams nor M&S showed up in any of the four answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. Harrods1st
  2. Selfridges2nd
  3. John Lewis3rd
  4. Liberty London4th
  5. Harvey Nichols5th
  6. M&S–
  7. Debenhams–
  8. House of Fraser–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • Harrods4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Selfridges4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • John Lewis3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Liberty London3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Harvey Nichols2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • M&S0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Debenhams0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • House of Fraser0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

See every answer about department stores

4 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in United Kingdom on October 22, 2026.

Is Debenhams or M&S more popular in search?

This chart shows how often people search Google for Debenhams and M&S by name. Each line represents a brand's share of searches for all eight department stores we track, month by month, from searches in United Kingdom.

Debenhams and M&S among department stores in the United Kingdom, by month

Share of searches by month for M&S, Debenhams. The figures are in the table below the chart.

View monthly share of searches table
MonthM&SJohn LewisHarrodsSelfridgesDebenhamsLiberty LondonHouse of FraserHarvey Nichols
Oct 202543.9%24.1%8.8%8.8%8.8%1.8%2.7%1.2%
Nov 202539.9%26.8%8%9.8%9.8%2%2.4%1.3%
Dec 202539.6%24.2%10.9%10.9%8.9%2.2%2.2%1.2%
Jan 202642.4%25.9%7.7%9.4%9.4%1.6%2.3%1.3%
Feb 202644.6%22.3%8.2%10%10%1.6%2%1.3%
Mar 202646.6%23.3%8.5%8.5%8.5%1.7%1.7%1.1%
Apr 202643.7%21.8%9.7%9.7%9.7%2%2%1.3%
May 202645.5%22.7%10.1%8.3%8.3%2%1.7%1.4%
Jun 202639.6%24.2%10.8%10.8%8.8%2.2%1.8%1.8%
Jul 202639.9%24.4%10.9%10.9%8.9%2.2%1.5%1.5%
Aug 202645%22.5%10%10%6.8%2%1.7%2%
Sep 202647.3%23.6%8.6%8.6%7.1%2.1%1.4%1.2%

How has the Debenhams and M&S comparison changed over the last 12 months?

3 findings
  • M&S was ahead of Debenhams in every measured month of the 12 months ending September 2026.
  • Across the 12 months ending September 2026, Debenhams’ share of searches among department stores in the United Kingdom moved from 8.8% to 7.1%, and its estimated monthly branded searches moved from 1.2M to 823K.
  • Across the 12 months ending September 2026, M&S’s share of searches among department stores in the United Kingdom moved from 43.9% to 47.3%, and its estimated monthly branded searches moved from 6.1M to 5.5M.

How did search popularity change for United Kingdom department stores in September 2026?

2 changes
  1. In September 2026, M&S gained share of searches among department stores in the United Kingdom, from 45% to 47.3%.

  2. Estimated monthly branded searches for Debenhams in the United Kingdom fell 32.5% over 12 measured months, from 1.2M to 823K in September 2026.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Debenhams’ and M&S’s names. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brands is growing, holding steady, or fading.

Debenhams

1 branded search term

  • debenhams

M&S

2 branded search terms

  • m&s
  • marks and spencer

How the Brand Demand Index is measured

Other head-to-heads among department stores

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.